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<a href="block__exchange_8cuh.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (c) 2011, Duane Merrill.  All rights reserved.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (c) 2011-2013, NVIDIA CORPORATION.  All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * modification, are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *     * Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *       notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *     * Redistributions in binary form must reproduce the above copyright</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *       notice, this list of conditions and the following disclaimer in the</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *       documentation and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *     * Neither the name of the NVIDIA CORPORATION nor the</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *       names of its contributors may be used to endorse or promote products</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *       derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> ******************************************************************************/</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#include &quot;../util_arch.cuh&quot;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &quot;../util_macro.cuh&quot;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &quot;../util_type.cuh&quot;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &quot;../util_namespace.cuh&quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;CUB_NS_PREFIX</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">namespace </span>cub {</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="keyword">template</span> &lt;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keyword">typename</span>        T,</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="keywordtype">int</span>             BLOCK_THREADS,</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="keywordtype">int</span>             ITEMS_PER_THREAD,</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keywordtype">bool</span>            WARP_TIME_SLICING = <span class="keyword">false</span>&gt;</div>
<div class="line"><a name="l00110"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html">  110</a></span>&#160;<span class="keyword">class </span><a class="code" href="classcub_1_1_block_exchange.html" title="The BlockExchange class provides collective methods for rearranging data partitioned across a CUDA th...">BlockExchange</a></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;{</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="comment">     * Constants</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="comment">     ******************************************************************************/</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keyword">enum</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    {</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        LOG_WARP_THREADS            = PtxArchProps::LOG_WARP_THREADS,</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        WARP_THREADS                = 1 &lt;&lt; LOG_WARP_THREADS,</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        WARPS                       = (BLOCK_THREADS + <a class="code" href="structcub_1_1_arch_props.html#a378def3dee75e77eb135efcf6f0ca063ac5a2eb5b9e3b50dd43ad67c1ff020d9c" title="Log of the number of threads per warp. ">PtxArchProps::WARP_THREADS</a> - 1) / <a class="code" href="structcub_1_1_arch_props.html#a378def3dee75e77eb135efcf6f0ca063ac5a2eb5b9e3b50dd43ad67c1ff020d9c" title="Log of the number of threads per warp. ">PtxArchProps::WARP_THREADS</a>,</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        LOG_SMEM_BANKS              = <a class="code" href="structcub_1_1_arch_props.html#a378def3dee75e77eb135efcf6f0ca063a9596af8e6d63db07ffae0c5c35f513d5" title="Number of threads per warp. ">PtxArchProps::LOG_SMEM_BANKS</a>,</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        SMEM_BANKS                  = 1 &lt;&lt; LOG_SMEM_BANKS,</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        TILE_ITEMS                  = BLOCK_THREADS * ITEMS_PER_THREAD,</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        TIME_SLICES                 = (WARP_TIME_SLICING) ? WARPS : 1,</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        TIME_SLICED_THREADS         = (WARP_TIME_SLICING) ? CUB_MIN(BLOCK_THREADS, WARP_THREADS) : BLOCK_THREADS,</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        TIME_SLICED_ITEMS           = TIME_SLICED_THREADS * ITEMS_PER_THREAD,</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        WARP_TIME_SLICED_THREADS    = CUB_MIN(BLOCK_THREADS, WARP_THREADS),</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        WARP_TIME_SLICED_ITEMS      = WARP_TIME_SLICED_THREADS * ITEMS_PER_THREAD,</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        <span class="comment">// Insert padding if the number of items per thread is a power of two</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        INSERT_PADDING              = ((ITEMS_PER_THREAD &amp; (ITEMS_PER_THREAD - 1)) == 0),</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        PADDING_ITEMS               = (INSERT_PADDING) ? (TIME_SLICED_ITEMS &gt;&gt; LOG_SMEM_BANKS) : 0,</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    };</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="comment">     * Type definitions</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="comment">     ******************************************************************************/</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    <span class="keyword">typedef</span> T _TempStorage[TIME_SLICED_ITEMS + PADDING_ITEMS];</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno"><a class="code" href="structcub_1_1_block_exchange_1_1_temp_storage.html">  152</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structcub_1_1_block_exchange_1_1_temp_storage.html" title="The operations exposed by BlockExchange require a temporary memory allocation of this nested type for...">TempStorage</a> : <a class="code" href="structcub_1_1_uninitialized.html" title="A storage-backing wrapper that allows types with non-trivial constructors to be aliased in unions...">Uninitialized</a>&lt;_TempStorage&gt; {};</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="comment">     * Thread fields</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment">     ******************************************************************************/</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    _TempStorage &amp;temp_storage;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keywordtype">int</span> linear_tid;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keywordtype">int</span> warp_lane;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    <span class="keywordtype">int</span> warp_id;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="keywordtype">int</span> warp_offset;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    <span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="comment">     * Utility methods</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="comment">     ******************************************************************************/</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    __device__ __forceinline__ _TempStorage&amp; PrivateStorage()</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    {</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        __shared__ _TempStorage private_storage;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        <span class="keywordflow">return</span> private_storage;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    }</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> BlockedToStriped(</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        T               items[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        <a class="code" href="structcub_1_1_int2_type.html" title="Allows for the treatment of an integral constant as a type at compile-time (e.g., to achieve static c...">Int2Type&lt;false&gt;</a> time_slicing)</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    {</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        {</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;            <span class="keywordtype">int</span> item_offset = (linear_tid * ITEMS_PER_THREAD) + ITEM;</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        }</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        __syncthreads();</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        {</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            <span class="keywordtype">int</span> item_offset = int(ITEM * BLOCK_THREADS) + linear_tid;</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        }</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    }</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> BlockedToStriped(</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;        T               items[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;        Int2Type&lt;true&gt;  time_slicing)</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    {</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        T temp_items[ITEMS_PER_THREAD];</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> SLICE = 0; SLICE &lt; TIME_SLICES; SLICE++)</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;        {</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> SLICE_OFFSET  = SLICE * TIME_SLICED_ITEMS;</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> SLICE_OOB     = SLICE_OFFSET + TIME_SLICED_ITEMS;</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;            <span class="keywordflow">if</span> (warp_id == SLICE)</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;            {</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="preprocessor">                #pragma unroll</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="preprocessor"></span>                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;                {</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;                    <span class="keywordtype">int</span> item_offset = (warp_lane * ITEMS_PER_THREAD) + ITEM;</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;                    <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;                    temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;                }</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;            }</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="preprocessor">            #pragma unroll</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="preprocessor"></span>            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;            {</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;                <span class="comment">// Read a strip of items</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">int</span> STRIP_OFFSET  = ITEM * BLOCK_THREADS;</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">int</span> STRIP_OOB     = STRIP_OFFSET + BLOCK_THREADS;</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;                <span class="keywordflow">if</span> ((SLICE_OFFSET &lt; STRIP_OOB) &amp;&amp; (SLICE_OOB &gt; STRIP_OFFSET))</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;                {</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;                    <span class="keywordtype">int</span> item_offset = STRIP_OFFSET + linear_tid - SLICE_OFFSET;</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;                    <span class="keywordflow">if</span> ((item_offset &gt;= 0) &amp;&amp; (item_offset &lt; TIME_SLICED_ITEMS))</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;                    {</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;                        <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;                        temp_items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;                    }</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;                }</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;            }</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        }</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        <span class="comment">// Copy</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        {</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;            items[ITEM] = temp_items[ITEM];</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;        }</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;    }</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> BlockedToWarpStriped(</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;        T               items[ITEMS_PER_THREAD],   </div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;        Int2Type&lt;false&gt; time_slicing)</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;    {</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;        {</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;            <span class="keywordtype">int</span> item_offset = warp_offset + ITEM + (warp_lane * ITEMS_PER_THREAD);</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        }</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;        {</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;            <span class="keywordtype">int</span> item_offset = warp_offset + (ITEM * WARP_TIME_SLICED_THREADS) + warp_lane;</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;            items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        }</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    }</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> BlockedToWarpStriped(</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;        T               items[ITEMS_PER_THREAD],   </div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;        Int2Type&lt;true&gt;  time_slicing)</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    {</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> SLICE = 0; SLICE &lt; TIME_SLICES; ++SLICE)</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;        {</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;            <span class="keywordflow">if</span> (warp_id == SLICE)</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;            {</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="preprocessor">                #pragma unroll</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;<span class="preprocessor"></span>                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;                {</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;                    <span class="keywordtype">int</span> item_offset = ITEM + (warp_lane * ITEMS_PER_THREAD);</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;                    <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;                    temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;                }</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="preprocessor">                #pragma unroll</span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="preprocessor"></span>                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;                {</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;                    <span class="keywordtype">int</span> item_offset = (ITEM * WARP_TIME_SLICED_THREADS) + warp_lane;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;                    <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;                    items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;                }</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;            }</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;        }</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    }</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> StripedToBlocked(</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;        T               items[ITEMS_PER_THREAD],   </div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;        Int2Type&lt;false&gt; time_slicing)</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    {</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;        {</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;            <span class="keywordtype">int</span> item_offset = int(ITEM * BLOCK_THREADS) + linear_tid;</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;            temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;        }</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;        __syncthreads();</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;        <span class="comment">// No timeslicing</span></div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;        {</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;            <span class="keywordtype">int</span> item_offset = (linear_tid * ITEMS_PER_THREAD) + ITEM;</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;            items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;        }</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;    }</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> StripedToBlocked(</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;        T               items[ITEMS_PER_THREAD],   </div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;        Int2Type&lt;true&gt;  time_slicing)</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    {</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;        <span class="comment">// Warp time-slicing</span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;        T temp_items[ITEMS_PER_THREAD];</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> SLICE = 0; SLICE &lt; TIME_SLICES; SLICE++)</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;        {</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> SLICE_OFFSET  = SLICE * TIME_SLICED_ITEMS;</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> SLICE_OOB     = SLICE_OFFSET + TIME_SLICED_ITEMS;</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;<span class="preprocessor">            #pragma unroll</span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;<span class="preprocessor"></span>            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;            {</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;                <span class="comment">// Write a strip of items</span></div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">int</span> STRIP_OFFSET  = ITEM * BLOCK_THREADS;</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">int</span> STRIP_OOB     = STRIP_OFFSET + BLOCK_THREADS;</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;                <span class="keywordflow">if</span> ((SLICE_OFFSET &lt; STRIP_OOB) &amp;&amp; (SLICE_OOB &gt; STRIP_OFFSET))</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;                {</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;                    <span class="keywordtype">int</span> item_offset = STRIP_OFFSET + linear_tid - SLICE_OFFSET;</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;                    <span class="keywordflow">if</span> ((item_offset &gt;= 0) &amp;&amp; (item_offset &lt; TIME_SLICED_ITEMS))</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;                    {</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;                        <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;                        temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;                    }</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;                }</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;            }</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;            <span class="keywordflow">if</span> (warp_id == SLICE)</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;            {</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;<span class="preprocessor">                #pragma unroll</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;<span class="preprocessor"></span>                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;                {</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;                    <span class="keywordtype">int</span> item_offset = (warp_lane * ITEMS_PER_THREAD) + ITEM;</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;                    <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;                    temp_items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;                }</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;            }</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;        }</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;        <span class="comment">// Copy</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;        {</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;            items[ITEM] = temp_items[ITEM];</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;        }</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;    }</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> WarpStripedToBlocked(</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;        T               items[ITEMS_PER_THREAD],   </div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        Int2Type&lt;false&gt; time_slicing)</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;    {</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;        {</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;            <span class="keywordtype">int</span> item_offset = warp_offset + (ITEM * WARP_TIME_SLICED_THREADS) + warp_lane;</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;            temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        }</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;        {</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;            <span class="keywordtype">int</span> item_offset = warp_offset + ITEM + (warp_lane * ITEMS_PER_THREAD);</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;            items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;        }</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;    }</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> WarpStripedToBlocked(</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;        T               items[ITEMS_PER_THREAD],   </div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;        Int2Type&lt;true&gt;  time_slicing)</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    {</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> SLICE = 0; SLICE &lt; TIME_SLICES; ++SLICE)</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;        {</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;            <span class="keywordflow">if</span> (warp_id == SLICE)</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;            {</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="preprocessor">                #pragma unroll</span></div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="preprocessor"></span>                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;                {</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;                    <span class="keywordtype">int</span> item_offset = (ITEM * WARP_TIME_SLICED_THREADS) + warp_lane;</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;                    <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;                    temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;                }</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="preprocessor">                #pragma unroll</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;<span class="preprocessor"></span>                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;                {</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;                    <span class="keywordtype">int</span> item_offset = ITEM + (warp_lane * ITEMS_PER_THREAD);</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;                    <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;                    items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;                }</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;            }</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;        }</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    }</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> ScatterToBlocked(</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;        T               items[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;        <span class="keywordtype">int</span>             ranks[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;        Int2Type&lt;false&gt; time_slicing)</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    {</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;        {</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;            <span class="keywordtype">int</span> item_offset = ranks[ITEM];</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset = SHR_ADD(item_offset, LOG_SMEM_BANKS, item_offset);</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;            temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;        }</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;        __syncthreads();</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;        {</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;            <span class="keywordtype">int</span> item_offset = (linear_tid * ITEMS_PER_THREAD) + ITEM;</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset = SHR_ADD(item_offset, LOG_SMEM_BANKS, item_offset);</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;            items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;        }</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;    }</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> ScatterToBlocked(</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;        T               items[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;        <span class="keywordtype">int</span>             ranks[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;        Int2Type&lt;true&gt;  time_slicing)</div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;    {</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;        T temp_items[ITEMS_PER_THREAD];</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;</div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> SLICE = 0; SLICE &lt; TIME_SLICES; SLICE++)</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;        {</div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;</div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> SLICE_OFFSET = TIME_SLICED_ITEMS * SLICE;</div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;</div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="preprocessor">            #pragma unroll</span></div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;<span class="preprocessor"></span>            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;            {</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;                <span class="keywordtype">int</span> item_offset = ranks[ITEM] - SLICE_OFFSET;</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;                <span class="keywordflow">if</span> ((item_offset &gt;= 0) &amp;&amp; (item_offset &lt; WARP_TIME_SLICED_ITEMS))</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;                {</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;                    <span class="keywordflow">if</span> (INSERT_PADDING) item_offset = SHR_ADD(item_offset, LOG_SMEM_BANKS, item_offset);</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;                    temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;                }</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;            }</div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;</div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;            <span class="keywordflow">if</span> (warp_id == SLICE)</div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;            {</div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;<span class="preprocessor">                #pragma unroll</span></div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;<span class="preprocessor"></span>                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;                {</div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;                    <span class="keywordtype">int</span> item_offset = (warp_lane * ITEMS_PER_THREAD) + ITEM;</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;                    <span class="keywordflow">if</span> (INSERT_PADDING) item_offset = SHR_ADD(item_offset, LOG_SMEM_BANKS, item_offset);</div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;                    temp_items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;                }</div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;            }</div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;        }</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;        <span class="comment">// Copy</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;        {</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;            items[ITEM] = temp_items[ITEM];</div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;        }</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;    }</div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;</div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> ScatterToStriped(</div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;        T               items[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;        <span class="keywordtype">int</span>             ranks[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;        Int2Type&lt;false&gt; time_slicing)</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;    {</div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;        {</div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;            <span class="keywordtype">int</span> item_offset = ranks[ITEM];</div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset = SHR_ADD(item_offset, LOG_SMEM_BANKS, item_offset);</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;            temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;        }</div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;        __syncthreads();</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;</div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;        {</div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;            <span class="keywordtype">int</span> item_offset = int(ITEM * BLOCK_THREADS) + linear_tid;</div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;            <span class="keywordflow">if</span> (INSERT_PADDING) item_offset = SHR_ADD(item_offset, LOG_SMEM_BANKS, item_offset);</div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;            items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;        }</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;    }</div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;</div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> ScatterToStriped(</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;        T               items[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;        <span class="keywordtype">int</span>             ranks[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;        Int2Type&lt;true&gt; time_slicing)</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;    {</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;        T temp_items[ITEMS_PER_THREAD];</div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;</div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> SLICE = 0; SLICE &lt; TIME_SLICES; SLICE++)</div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;        {</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> SLICE_OFFSET  = SLICE * TIME_SLICED_ITEMS;</div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> SLICE_OOB     = SLICE_OFFSET + TIME_SLICED_ITEMS;</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;</div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;</div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;<span class="preprocessor">            #pragma unroll</span></div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;<span class="preprocessor"></span>            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;            {</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;                <span class="keywordtype">int</span> item_offset = ranks[ITEM] - SLICE_OFFSET;</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;                <span class="keywordflow">if</span> ((item_offset &gt;= 0) &amp;&amp; (item_offset &lt; WARP_TIME_SLICED_ITEMS))</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;                {</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;                    <span class="keywordflow">if</span> (INSERT_PADDING) item_offset = SHR_ADD(item_offset, LOG_SMEM_BANKS, item_offset);</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;                    temp_storage[item_offset] = items[ITEM];</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;                }</div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;            }</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;</div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;            __syncthreads();</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;</div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;<span class="preprocessor">            #pragma unroll</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;<span class="preprocessor"></span>            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;            {</div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;                <span class="comment">// Read a strip of items</span></div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">int</span> STRIP_OFFSET  = ITEM * BLOCK_THREADS;</div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;                <span class="keyword">const</span> <span class="keywordtype">int</span> STRIP_OOB     = STRIP_OFFSET + BLOCK_THREADS;</div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;</div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;                <span class="keywordflow">if</span> ((SLICE_OFFSET &lt; STRIP_OOB) &amp;&amp; (SLICE_OOB &gt; STRIP_OFFSET))</div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;                {</div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;                    <span class="keywordtype">int</span> item_offset = STRIP_OFFSET + linear_tid - SLICE_OFFSET;</div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;                    <span class="keywordflow">if</span> ((item_offset &gt;= 0) &amp;&amp; (item_offset &lt; TIME_SLICED_ITEMS))</div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;                    {</div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;                        <span class="keywordflow">if</span> (INSERT_PADDING) item_offset += item_offset &gt;&gt; LOG_SMEM_BANKS;</div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;                        temp_items[ITEM] = temp_storage[item_offset];</div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;                    }</div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;                }</div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;            }</div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;        }</div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;</div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;        <span class="comment">// Copy</span></div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;<span class="preprocessor">        #pragma unroll</span></div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;<span class="preprocessor"></span>        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ITEM = 0; ITEM &lt; ITEMS_PER_THREAD; ITEM++)</div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;        {</div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;            items[ITEM] = temp_items[ITEM];</div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;        }</div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;    }</div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;</div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;</div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;</div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;    <span class="comment">/******************************************************************/</span></div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;</div>
<div class="line"><a name="l00647"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#a31f5a889713220dfe21669a4865f3f4e">  647</a></span>&#160;    __device__ __forceinline__ <a class="code" href="classcub_1_1_block_exchange.html#a31f5a889713220dfe21669a4865f3f4e" title="Collective constructor for 1D thread blocks using a private static allocation of shared memory as tem...">BlockExchange</a>()</div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;    :</div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;        temp_storage(PrivateStorage()),</div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;        linear_tid(threadIdx.x),</div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;        warp_lane(linear_tid &amp; (WARP_THREADS - 1)),</div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;        warp_id(linear_tid &gt;&gt; LOG_WARP_THREADS),</div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;        warp_offset(warp_id * WARP_TIME_SLICED_ITEMS)</div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;    {}</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;</div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;</div>
<div class="line"><a name="l00660"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#aff7137dd257eeec8d7628b4f9f4e1457">  660</a></span>&#160;    __device__ __forceinline__ <a class="code" href="classcub_1_1_block_exchange.html#aff7137dd257eeec8d7628b4f9f4e1457" title="Collective constructor for 1D thread blocks using the specified memory allocation as temporary storag...">BlockExchange</a>(</div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;        <a class="code" href="structcub_1_1_block_exchange_1_1_temp_storage.html" title="The operations exposed by BlockExchange require a temporary memory allocation of this nested type for...">TempStorage</a> &amp;temp_storage)             </div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;    :</div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;        temp_storage(temp_storage.Alias()),</div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;        linear_tid(threadIdx.x),</div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;        warp_lane(linear_tid &amp; (WARP_THREADS - 1)),</div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;        warp_id(linear_tid &gt;&gt; LOG_WARP_THREADS),</div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;        warp_offset(warp_id * WARP_TIME_SLICED_ITEMS)</div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;    {}</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;</div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;</div>
<div class="line"><a name="l00674"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#aa0689007bc51632404a1893e52a0e6e9">  674</a></span>&#160;    __device__ __forceinline__ <a class="code" href="classcub_1_1_block_exchange.html#aa0689007bc51632404a1893e52a0e6e9" title="Collective constructor using a private static allocation of shared memory as temporary storage...">BlockExchange</a>(</div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;        <span class="keywordtype">int</span> linear_tid)                        </div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;    :</div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;        temp_storage(PrivateStorage()),</div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;        linear_tid(linear_tid),</div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;        warp_lane(linear_tid &amp; (WARP_THREADS - 1)),</div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;        warp_id(linear_tid &gt;&gt; LOG_WARP_THREADS),</div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;        warp_offset(warp_id * WARP_TIME_SLICED_ITEMS)</div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;    {}</div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;</div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;</div>
<div class="line"><a name="l00688"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#a166150541730a842f1af039e34131ea9">  688</a></span>&#160;    __device__ __forceinline__ <a class="code" href="classcub_1_1_block_exchange.html#a166150541730a842f1af039e34131ea9" title="Collective constructor using the specified memory allocation as temporary storage. Each thread is identified using the supplied linear thread identifier. ">BlockExchange</a>(</div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;        <a class="code" href="structcub_1_1_block_exchange_1_1_temp_storage.html" title="The operations exposed by BlockExchange require a temporary memory allocation of this nested type for...">TempStorage</a> &amp;temp_storage,              </div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;        <span class="keywordtype">int</span>         linear_tid)                 </div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    :</div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;        temp_storage(temp_storage.Alias()),</div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;        linear_tid(linear_tid),</div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;        warp_lane(linear_tid &amp; (WARP_THREADS - 1)),</div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;        warp_id(linear_tid &gt;&gt; LOG_WARP_THREADS),</div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;        warp_offset(warp_id * WARP_TIME_SLICED_ITEMS)</div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;    {}</div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;</div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;</div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;    <span class="comment">/******************************************************************/</span></div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;</div>
<div class="line"><a name="l00740"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#a063505380e68bb5744d12fa7e1f16145">  740</a></span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> <a class="code" href="classcub_1_1_block_exchange.html#a063505380e68bb5744d12fa7e1f16145" title="Transposes data items from striped arrangement to blocked arrangement. ">StripedToBlocked</a>(</div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;        T                items[ITEMS_PER_THREAD])   </div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;    {</div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;        StripedToBlocked(items, <a class="code" href="structcub_1_1_int2_type.html" title="Allows for the treatment of an integral constant as a type at compile-time (e.g., to achieve static c...">Int2Type&lt;WARP_TIME_SLICING&gt;</a>());</div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;    }</div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;</div>
<div class="line"><a name="l00784"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#a5e487b2f594fa0ae466bf1c7b6b9c06d">  784</a></span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> <a class="code" href="classcub_1_1_block_exchange.html#a5e487b2f594fa0ae466bf1c7b6b9c06d" title="Transposes data items from blocked arrangement to striped arrangement. ">BlockedToStriped</a>(</div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;        T               items[ITEMS_PER_THREAD])    </div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;    {</div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;        BlockedToStriped(items, <a class="code" href="structcub_1_1_int2_type.html" title="Allows for the treatment of an integral constant as a type at compile-time (e.g., to achieve static c...">Int2Type&lt;WARP_TIME_SLICING&gt;</a>());</div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;    }</div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;</div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;</div>
<div class="line"><a name="l00827"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#a09969c12793c1876a2e6328c97c0330a">  827</a></span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> <a class="code" href="classcub_1_1_block_exchange.html#a09969c12793c1876a2e6328c97c0330a" title="Transposes data items from warp-striped arrangement to blocked arrangement. ">WarpStripedToBlocked</a>(</div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;        T                items[ITEMS_PER_THREAD])   </div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;    {</div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;        WarpStripedToBlocked(items, <a class="code" href="structcub_1_1_int2_type.html" title="Allows for the treatment of an integral constant as a type at compile-time (e.g., to achieve static c...">Int2Type&lt;WARP_TIME_SLICING&gt;</a>());</div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;    }</div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;</div>
<div class="line"><a name="l00872"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#a74fc1a62cac21f54289bb7092250a868">  872</a></span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> <a class="code" href="classcub_1_1_block_exchange.html#a74fc1a62cac21f54289bb7092250a868" title="Transposes data items from blocked arrangement to warp-striped arrangement. ">BlockedToWarpStriped</a>(</div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;        T                items[ITEMS_PER_THREAD])   </div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;    {</div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;        BlockedToWarpStriped(items, <a class="code" href="structcub_1_1_int2_type.html" title="Allows for the treatment of an integral constant as a type at compile-time (e.g., to achieve static c...">Int2Type&lt;WARP_TIME_SLICING&gt;</a>());</div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;    }</div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;</div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;</div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;    <span class="comment">/******************************************************************/</span></div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;</div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;</div>
<div class="line"><a name="l00891"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#ac8dd22c90a28e54a8c1d6b0637054661">  891</a></span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> <a class="code" href="classcub_1_1_block_exchange.html#ac8dd22c90a28e54a8c1d6b0637054661" title="Exchanges data items annotated by rank into blocked arrangement. ">ScatterToBlocked</a>(</div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;        T               items[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;        <span class="keywordtype">int</span>             ranks[ITEMS_PER_THREAD])    </div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;    {</div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;        ScatterToBlocked(items, ranks, <a class="code" href="structcub_1_1_int2_type.html" title="Allows for the treatment of an integral constant as a type at compile-time (e.g., to achieve static c...">Int2Type&lt;WARP_TIME_SLICING&gt;</a>());</div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;    }</div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;</div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;</div>
<div class="line"><a name="l00904"></a><span class="lineno"><a class="code" href="classcub_1_1_block_exchange.html#a53516886ba6750060819581b1bb23d68">  904</a></span>&#160;    __device__ __forceinline__ <span class="keywordtype">void</span> <a class="code" href="classcub_1_1_block_exchange.html#a53516886ba6750060819581b1bb23d68" title="Exchanges data items annotated by rank into striped arrangement. ">ScatterToStriped</a>(</div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;        T               items[ITEMS_PER_THREAD],    </div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;        <span class="keywordtype">int</span>             ranks[ITEMS_PER_THREAD])    </div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;    {</div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;        ScatterToStriped(items, ranks, <a class="code" href="structcub_1_1_int2_type.html" title="Allows for the treatment of an integral constant as a type at compile-time (e.g., to achieve static c...">Int2Type&lt;WARP_TIME_SLICING&gt;</a>());</div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;    }</div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;</div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;</div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;</div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;};</div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;</div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;}               <span class="comment">// CUB namespace</span></div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;CUB_NS_POSTFIX  <span class="comment">// Optional outer namespace(s)</span></div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;</div>
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